GNUstep's '''backend''' provides a small set of functions used by the [[AppKit|GUI]] library to interface to the actual window system (X11, etc). It also has a drawing engine which emulates common PostScript functions.

GNUstep's '''backend''' provides a small set of functions used by the [[AppKit|GUI]] library to interface to the actual window system (X11, etc). It also has a drawing engine which emulates common PostScript functions.

* cairo &ndash; experimental backend using the cairo 2D graphics library. Whilst being not ready for daily work it is planned to replace the current default backends and let cairo care about the underlying graphics system (xlib/xrender, win32, opengl...)

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GNUstep's backend provides a small set of functions used by the GUI library to interface to the actual window system (X11, etc). It also has a drawing engine which emulates common PostScript functions.

cairo – experimental backend using the cairo 2D graphics library. Whilst being not ready for daily work it is planned to replace the current default backends and let cairo care about the underlying graphics system (xlib/xrender, win32, opengl...)